2007-1-10
The useful kinds of Magnetic material for Magnetic nail and magnetic grain are thin cylinder,...
|
2007-1-10
Zinc-coated is usually used. Because improved on the produce-technics and flow, we can...
|
2007-1-10
The useful kinds of NdFeB Magnets (permanant magnet , neodymium magnet) are thin cylinder,...
|
|